body, html {
  margin: 0;
  padding: 0;
  height: 100%;
  background: #000;
}

#introContainer {
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  background: #000;
}

#introVideo {
  width: 100%;
  height: auto;
}

#mainContainer {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.background {
  position: relative;
  width: 100%;
  height: 100%;
}

.background img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.overlayVideo {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 500px;
  height: auto;
  mix-blend-mode: screen;
  pointer-events: none;
}

.buttonPanel {
  position: absolute;
  top: 50%;
  right: 20px;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.buttonPanel img {
  width: 60px;
  cursor: pointer;
}

#contentDisplay {
  position: absolute;
  bottom: 60px;
  left: 50%;
  transform: translateX(-50%);
  width: 80%;
  min-height: 200px;
  background: transparent;
  z-index: 5;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

#flowerContainer {
  position: absolute;
  top: 60%; /* 将 flower.png 下移至页面 60% 的位置 */
  left: 50%;
  transform: translate(-50%, -50%);
  width: 300px; /* 保持宽度 */
  height: 150px; /* 保持高度 */
}

#incenseContainer {
  width: 500px; /* 增大 incense.webm 的宽度 */
  height: 300px; /* 增大 incense.webm 的高度 */
}

#flowerContainer img, #incenseContainer video {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.transparentVideo {
  mix-blend-mode: screen;
  background: transparent;
}

#closeSection {
  position: absolute;
  bottom: 10px;
  left: 10px;
  z-index: 6;
}

#closePage {
  background: transparent;
  border: none;
  color: #fff;
  font-size: 18px;
  cursor: pointer;
}

#closeTip {
  color: #fff;
  font-size: 12px;
  margin-top: 5px;
}